Home / 18,205,039,066.56-27,307,569,149.76-5,118,835,882.56

Finding the Fourth Proportional to 18,205,039,066.56, 27,307,569,149.76 and 5,118,835,882.56

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Solution

The fourth proportional to 18,205,039,066.56, 27,307,569,149.76 and 5,118,835,882.56 is: 7,678,256,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205,039,066.56 : 27,307,569,149.76 = 5,118,835,882.56 : x
  2. Step 2: Convert to fraction form
    18,205,039,066.56/27,307,569,149.76 = 5,118,835,882.56/x
  3. Step 3: Cross multiply
    18,205,039,066.56x = 27,307,569,149.76 × 5,118,835,882.56
  4. Step 4: Simplify right side
    18,205,039,066.56x = 139,782,964,829,279,961,088
  5. Step 5: Solve for x
    x = 139,782,964,829,279,961,088/18,205,039,066.56
  6. Step 6: Final answer
    x = 7,678,256,790.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.